Timeline
Prehistory
See: Human Migration
~2 mya - Global temperatures rise
~200-150 kya - Humans spread out across Atchilja and Pilhhon
~50 kya - Humans navigate and settle Khattak arc, ultimately reaching Noso
~35 kya - D'ekaš is settled as peoples traverse the Atlingi Arc
~10 kya - Peoples from southern Atchilja settle the Antarctic peninsula
Recorded History
~7-6 kya - short lived Atlingi civilization on Atlingi island.
~5 kya - roughly simultaneous emergence of x and y civilizations on western and south-east D'ekaš.